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Please be aware that this old REACH registration data factsheet is no longer maintained; it remains frozen as of 19th May 2023.

The new ECHA CHEM database has been released by ECHA, and it now contains all REACH registration data. There are more details on the transition of ECHA's published data to ECHA CHEM here.

Diss Factsheets

Ecotoxicological information

Toxicity to aquatic algae and cyanobacteria

Administrative data

Endpoint:
toxicity to aquatic algae and cyanobacteria
Type of information:
experimental study
Adequacy of study:
key study
Study period:
2018
Reliability:
1 (reliable without restriction)

Data source

Reference
Reference Type:
study report
Title:
Unnamed
Year:
2018
Report date:
2018

Materials and methods

Test guideline
Qualifier:
according to guideline
Guideline:
OECD Guideline 201 (Alga, Growth Inhibition Test)
GLP compliance:
yes

Test material

Constituent 1
Chemical structure
Reference substance name:
Thuj-4(10)-ene
EC Number:
222-212-4
EC Name:
Thuj-4(10)-ene
Cas Number:
3387-41-5
Molecular formula:
C10H16
IUPAC Name:
4-methylidene-1-(propan-2-yl)bicyclo[3.1.0]hexane

Test organisms

Test organisms (species):
Raphidocelis subcapitata (previous names: Pseudokirchneriella subcapitata, Selenastrum capricornutum)

Study design

Water media type:
freshwater

Results and discussion

Effect concentrations
Key result
Duration:
72 h
Dose descriptor:
EC50
Effect conc.:
> 1 000 mg/L

Applicant's summary and conclusion

Conclusions:
According to OECD 201 :2006 corr. 2011,under the test conditions applied, the EC50 of the test substance is calculated as > 1000 mg/I (nominal concentration and > 3.886 mg/I effective concentration.